We do a rotation diet to insure that they get a variety of what they need that no one food can provide.We normally rotate between

The Taste of the Wild,All meat sourcesDiamond Naturals Chicken and Rice or Beef and RiceChicken Soup for the Dog Lovers SoulNatural BalanceCalifornia Naturals I also add the wild alaskan salmon oil to the feed for a shiney coat.